Question: which internet standard starts with the letter u
Paraphrase: which web standard begins with the letter u
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q290378 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'u')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: UTF-8, UTF-8, User Datagram Protocol, User Datagram Protocol, Uniform Resource Identifier, Uniform Resource Identifier